[医] 斑蝥

Blister \Blis"ter\, n. [OE.; akin to OD. bluyster, fr. the same
root as blast, bladder, blow. See {Blow} to eject wind.]
1. A vesicle of the skin, containing watery matter or serum,
whether occasioned by a burn or other injury, or by a
vesicatory; a collection of serous fluid causing a
bladderlike elevation of the cuticle.

And painful blisters swelled my tender hands.
--Grainger.

2. Any elevation made by the separation of the film or skin,
as on plants; or by the swelling of the substance at the
surface, as on steel.

3. A vesicatory; a plaster of Spanish flies, or other matter,
applied to raise a blister. --Dunglison.

{Blister beetle}, a beetle used to raise blisters, esp. the
{Lytta vesicatoria} (or {Cantharis vesicatoria}), called
{Cantharis} or {Spanish fly} by druggists. See
{Cantharis}.

{Blister fly}, a blister beetle.

{Blister plaster}, a plaster designed to raise a blister; --
usually made of Spanish flies.

{Blister steel}, crude steel formed from wrought iron by
cementation; -- so called because of its blistered
surface. Called also {blistered steel}.

{Blood blister}. See under {Blood}.


Cantharis \Can"tha*ris\ (k[a^]n"th[.a]*r[i^]s), n.; pl.
{Cantharides} (k[a^]n*th[a^]r"[i^]*d[=e]z). [L., a kind of
beetle, esp. the Spanish fly, Gr. kanqari`s.] (Zo["o]l.)
A beetle ({Lytta vesicatoria}, syn. {Cantharis vesicatoria}),
having an elongated cylindrical body of a brilliant green
color, and a nauseous odor; the blister fly or blister
beetle, of the apothecary; -- also called {Spanish fly}. Many
other species of {Lytta}, used for the same purpose, take the
same name. See {Blister beetle}, under {Blister}. The plural
form in usually applied to the dried insects used in
medicine.